Anisotropic emission of neutral atoms: evidence of an anisotropic Rydberg sheath in nanoplasma

Rajeev, R. ; Trivikram, T. Madhu ; Rishad, K. P. M. ; Krishnamurthy, M. (2015) Anisotropic emission of neutral atoms: evidence of an anisotropic Rydberg sheath in nanoplasma New Journal of Physics, 17 (2). Article ID 023033. ISSN 1367-2630

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Official URL: http://iopscience.iop.org/article/10.1088/1367-263...

Related URL: http://dx.doi.org/10.1088/1367-2630/17/2/023033

Abstract

Intense laser-produced plasma is a complex amalgam of ions, electrons and atoms both in ground and excited states. Little is known about the spatial composition of the excited states that are an integral part of most gaseous or cluster plasma. In cluster-plasma, Rydberg excitations change the charge composition of the ions through charge transfer reactions and shape the angular distributions. Here, we demonstrate a non-invasive technique that reveals the anisotropic Rydberg excited cluster sheath by measuring anisotropy in fast neutral atoms. The sheath is stronger in the direction of light polarization and the enhanced charge transfer by the excited clusters results in larger neutralization.

Item Type:Article
Source:Copyright of this article belongs to Institute of Physics.
ID Code:102694
Deposited On:02 Feb 2018 04:35
Last Modified:02 Feb 2018 04:35

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